1.2 in. Cubic Pyrite - Spain These interesting sea creatures survived

These interesting sea creatures survived three different extinction events

Flexicalymene ouzregui are formed in mud concretions dating back to 450 million years ago

MoroccoYou will receive the Spinosaurus tooth pictured

You will receive the ring pictured

Selenite is a crystallized variation of gypsum

1.2 in. Cubic Pyrite - Spain These interesting sea creatures survivedPyrite is a wildly popular simple cubic iron sulfide that is commonly referred to as Fool's Gold. It achieved this nickname for obvious reasons. Its name is derived from the Greek phrase pyrites lithos translating to the stone which strikes fire. Pyrite is found all over the world in quartz veins, sedimentary, and metamorphic rocks. It has even been found to replace minerals in fossil specimens such as gastropods and trilobites. This mineral has had